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Diffstat (limited to 'net/bluetooth/hci_event.c')
-rw-r--r--net/bluetooth/hci_event.c175
1 files changed, 103 insertions, 72 deletions
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index 8db3e89fae35..5935f748c0f9 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -29,8 +29,9 @@
#include <net/bluetooth/bluetooth.h>
#include <net/bluetooth/hci_core.h>
#include <net/bluetooth/mgmt.h>
-#include <net/bluetooth/a2mp.h>
-#include <net/bluetooth/amp.h>
+
+#include "a2mp.h"
+#include "amp.h"
/* Handle HCI Event packets */
@@ -194,6 +195,11 @@ static void hci_cc_reset(struct hci_dev *hdev, struct sk_buff *skb)
memset(hdev->adv_data, 0, sizeof(hdev->adv_data));
hdev->adv_data_len = 0;
+
+ memset(hdev->scan_rsp_data, 0, sizeof(hdev->scan_rsp_data));
+ hdev->scan_rsp_data_len = 0;
+
+ hdev->ssp_debug_mode = 0;
}
static void hci_cc_write_local_name(struct hci_dev *hdev, struct sk_buff *skb)
@@ -297,6 +303,11 @@ static void hci_cc_write_scan_enable(struct hci_dev *hdev, struct sk_buff *skb)
goto done;
}
+ /* We need to ensure that we set this back on if someone changed
+ * the scan mode through a raw HCI socket.
+ */
+ set_bit(HCI_BREDR_ENABLED, &hdev->dev_flags);
+
old_pscan = test_and_clear_bit(HCI_PSCAN, &hdev->flags);
old_iscan = test_and_clear_bit(HCI_ISCAN, &hdev->flags);
@@ -304,11 +315,6 @@ static void hci_cc_write_scan_enable(struct hci_dev *hdev, struct sk_buff *skb)
set_bit(HCI_ISCAN, &hdev->flags);
if (!old_iscan)
mgmt_discoverable(hdev, 1);
- if (hdev->discov_timeout > 0) {
- int to = msecs_to_jiffies(hdev->discov_timeout * 1000);
- queue_delayed_work(hdev->workqueue, &hdev->discov_off,
- to);
- }
} else if (old_iscan)
mgmt_discoverable(hdev, 0);
@@ -412,6 +418,21 @@ static void hci_cc_write_voice_setting(struct hci_dev *hdev,
hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING);
}
+static void hci_cc_read_num_supported_iac(struct hci_dev *hdev,
+ struct sk_buff *skb)
+{
+ struct hci_rp_read_num_supported_iac *rp = (void *) skb->data;
+
+ BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
+
+ if (rp->status)
+ return;
+
+ hdev->num_iac = rp->num_iac;
+
+ BT_DBG("%s num iac %d", hdev->name, hdev->num_iac);
+}
+
static void hci_cc_write_ssp_mode(struct hci_dev *hdev, struct sk_buff *skb)
{
__u8 status = *((__u8 *) skb->data);
@@ -449,14 +470,13 @@ static void hci_cc_read_local_version(struct hci_dev *hdev, struct sk_buff *skb)
if (rp->status)
return;
- hdev->hci_ver = rp->hci_ver;
- hdev->hci_rev = __le16_to_cpu(rp->hci_rev);
- hdev->lmp_ver = rp->lmp_ver;
- hdev->manufacturer = __le16_to_cpu(rp->manufacturer);
- hdev->lmp_subver = __le16_to_cpu(rp->lmp_subver);
-
- BT_DBG("%s manufacturer 0x%4.4x hci ver %d:%d", hdev->name,
- hdev->manufacturer, hdev->hci_ver, hdev->hci_rev);
+ if (test_bit(HCI_SETUP, &hdev->dev_flags)) {
+ hdev->hci_ver = rp->hci_ver;
+ hdev->hci_rev = __le16_to_cpu(rp->hci_rev);
+ hdev->lmp_ver = rp->lmp_ver;
+ hdev->manufacturer = __le16_to_cpu(rp->manufacturer);
+ hdev->lmp_subver = __le16_to_cpu(rp->lmp_subver);
+ }
}
static void hci_cc_read_local_commands(struct hci_dev *hdev,
@@ -536,7 +556,8 @@ static void hci_cc_read_local_ext_features(struct hci_dev *hdev,
if (rp->status)
return;
- hdev->max_page = rp->max_page;
+ if (hdev->max_page < rp->max_page)
+ hdev->max_page = rp->max_page;
if (rp->page < HCI_MAX_PAGES)
memcpy(hdev->features[rp->page], rp->features, 8);
@@ -913,17 +934,9 @@ static void hci_cc_le_set_adv_enable(struct hci_dev *hdev, struct sk_buff *skb)
if (!status) {
if (*sent)
- set_bit(HCI_LE_PERIPHERAL, &hdev->dev_flags);
+ set_bit(HCI_ADVERTISING, &hdev->dev_flags);
else
- clear_bit(HCI_LE_PERIPHERAL, &hdev->dev_flags);
- }
-
- if (!test_bit(HCI_INIT, &hdev->flags)) {
- struct hci_request req;
-
- hci_req_init(&req, hdev);
- hci_update_ad(&req);
- hci_req_run(&req, NULL);
+ clear_bit(HCI_ADVERTISING, &hdev->dev_flags);
}
hci_dev_unlock(hdev);
@@ -994,20 +1007,20 @@ static void hci_cc_write_le_host_supported(struct hci_dev *hdev,
return;
if (!status) {
- if (sent->le)
+ if (sent->le) {
hdev->features[1][0] |= LMP_HOST_LE;
- else
+ set_bit(HCI_LE_ENABLED, &hdev->dev_flags);
+ } else {
hdev->features[1][0] &= ~LMP_HOST_LE;
+ clear_bit(HCI_LE_ENABLED, &hdev->dev_flags);
+ clear_bit(HCI_ADVERTISING, &hdev->dev_flags);
+ }
if (sent->simul)
hdev->features[1][0] |= LMP_HOST_LE_BREDR;
else
hdev->features[1][0] &= ~LMP_HOST_LE_BREDR;
}
-
- if (test_bit(HCI_MGMT, &hdev->dev_flags) &&
- !test_bit(HCI_INIT, &hdev->flags))
- mgmt_le_enable_complete(hdev, sent->le, status);
}
static void hci_cc_write_remote_amp_assoc(struct hci_dev *hdev,
@@ -1291,9 +1304,11 @@ static void hci_cs_remote_name_req(struct hci_dev *hdev, __u8 status)
goto unlock;
if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) {
- struct hci_cp_auth_requested cp;
- cp.handle = __cpu_to_le16(conn->handle);
- hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, sizeof(cp), &cp);
+ struct hci_cp_auth_requested auth_cp;
+
+ auth_cp.handle = __cpu_to_le16(conn->handle);
+ hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED,
+ sizeof(auth_cp), &auth_cp);
}
unlock:
@@ -1465,33 +1480,6 @@ static void hci_cs_disconnect(struct hci_dev *hdev, u8 status)
hci_dev_unlock(hdev);
}
-static void hci_cs_le_create_conn(struct hci_dev *hdev, __u8 status)
-{
- struct hci_conn *conn;
-
- BT_DBG("%s status 0x%2.2x", hdev->name, status);
-
- if (status) {
- hci_dev_lock(hdev);
-
- conn = hci_conn_hash_lookup_state(hdev, LE_LINK, BT_CONNECT);
- if (!conn) {
- hci_dev_unlock(hdev);
- return;
- }
-
- BT_DBG("%s bdaddr %pMR conn %p", hdev->name, &conn->dst, conn);
-
- conn->state = BT_CLOSED;
- mgmt_connect_failed(hdev, &conn->dst, conn->type,
- conn->dst_type, status);
- hci_proto_connect_cfm(conn, status);
- hci_conn_del(conn);
-
- hci_dev_unlock(hdev);
- }
-}
-
static void hci_cs_create_phylink(struct hci_dev *hdev, u8 status)
{
struct hci_cp_create_phy_link *cp;
@@ -1706,7 +1694,7 @@ static void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
&flags);
if ((mask & HCI_LM_ACCEPT) &&
- !hci_blacklist_lookup(hdev, &ev->bdaddr)) {
+ !hci_blacklist_lookup(hdev, &ev->bdaddr, BDADDR_BREDR)) {
/* Connection accepted */
struct inquiry_entry *ie;
struct hci_conn *conn;
@@ -1821,10 +1809,25 @@ static void hci_disconn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
}
if (ev->status == 0) {
- if (conn->type == ACL_LINK && conn->flush_key)
+ u8 type = conn->type;
+
+ if (type == ACL_LINK && conn->flush_key)
hci_remove_link_key(hdev, &conn->dst);
hci_proto_disconn_cfm(conn, ev->reason);
hci_conn_del(conn);
+
+ /* Re-enable advertising if necessary, since it might
+ * have been disabled by the connection. From the
+ * HCI_LE_Set_Advertise_Enable command description in
+ * the core specification (v4.0):
+ * "The Controller shall continue advertising until the Host
+ * issues an LE_Set_Advertise_Enable command with
+ * Advertising_Enable set to 0x00 (Advertising is disabled)
+ * or until a connection is created or until the Advertising
+ * is timed out due to Directed Advertising."
+ */
+ if (type == LE_LINK)
+ mgmt_reenable_advertising(hdev);
}
unlock:
@@ -2139,6 +2142,10 @@ static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
hci_cc_write_voice_setting(hdev, skb);
break;
+ case HCI_OP_READ_NUM_SUPPORTED_IAC:
+ hci_cc_read_num_supported_iac(hdev, skb);
+ break;
+
case HCI_OP_WRITE_SSP_MODE:
hci_cc_write_ssp_mode(hdev, skb);
break;
@@ -2342,10 +2349,6 @@ static void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb)
hci_cs_disconnect(hdev, ev->status);
break;
- case HCI_OP_LE_CREATE_CONN:
- hci_cs_le_create_conn(hdev, ev->status);
- break;
-
case HCI_OP_CREATE_PHY_LINK:
hci_cs_create_phylink(hdev, ev->status);
break;
@@ -2548,7 +2551,6 @@ static void hci_mode_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
if (conn) {
conn->mode = ev->mode;
- conn->interval = __le16_to_cpu(ev->interval);
if (!test_and_clear_bit(HCI_CONN_MODE_CHANGE_PEND,
&conn->flags)) {
@@ -2930,6 +2932,23 @@ unlock:
hci_dev_unlock(hdev);
}
+static inline size_t eir_get_length(u8 *eir, size_t eir_len)
+{
+ size_t parsed = 0;
+
+ while (parsed < eir_len) {
+ u8 field_len = eir[0];
+
+ if (field_len == 0)
+ return parsed;
+
+ parsed += field_len + 1;
+ eir += field_len + 1;
+ }
+
+ return eir_len;
+}
+
static void hci_extended_inquiry_result_evt(struct hci_dev *hdev,
struct sk_buff *skb)
{
@@ -3170,7 +3189,8 @@ static void hci_user_confirm_request_evt(struct hci_dev *hdev,
if (hdev->auto_accept_delay > 0) {
int delay = msecs_to_jiffies(hdev->auto_accept_delay);
- mod_timer(&conn->auto_accept_timer, jiffies + delay);
+ queue_delayed_work(conn->hdev->workqueue,
+ &conn->auto_accept_work, delay);
goto unlock;
}
@@ -3485,6 +3505,17 @@ static void hci_le_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
conn->dst_type = ev->bdaddr_type;
+ /* The advertising parameters for own address type
+ * define which source address and source address
+ * type this connections has.
+ */
+ if (bacmp(&conn->src, BDADDR_ANY)) {
+ conn->src_type = ADDR_LE_DEV_PUBLIC;
+ } else {
+ bacpy(&conn->src, &hdev->static_addr);
+ conn->src_type = ADDR_LE_DEV_RANDOM;
+ }
+
if (ev->role == LE_CONN_ROLE_MASTER) {
conn->out = true;
conn->link_mode |= HCI_LM_MASTER;
@@ -3640,8 +3671,8 @@ void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb)
skb_pull(skb, HCI_EVENT_HDR_SIZE);
if (hdev->sent_cmd && bt_cb(hdev->sent_cmd)->req.event == event) {
- struct hci_command_hdr *hdr = (void *) hdev->sent_cmd->data;
- u16 opcode = __le16_to_cpu(hdr->opcode);
+ struct hci_command_hdr *cmd_hdr = (void *) hdev->sent_cmd->data;
+ u16 opcode = __le16_to_cpu(cmd_hdr->opcode);
hci_req_cmd_complete(hdev, opcode, 0);
}